diff --git a/INSTALL b/INSTALL
--- a/INSTALL
+++ b/INSTALL
@@ -101,6 +101,7 @@
 - qt5-default            development files for the Qt5 libraries
 - gettext                GNU Internationalization utilities
 - plasma-framework-dev   development files for plasma-framework
+- zlib1g-dev             in order to make building easier (https://stackoverflow.com/a/49072832)
 
 The following packages should install (through dependencies) all the packages
 you need to compile a KDE 5 software